Native Instruments KOMPLETE KONTROL S88 MK2 88-Key Controller for KOMPLETE - Manual (Page 186)

Auditioning Your Preset Files using the Keyboard
You can also enable/disable the Prehear feature on the keyboard:
1.
Press and hold SHIFT .
2. Press Button 8 ( PREHEAR ) to enable/disable the Prehear feature.
3. Release SHIFT .
4. Turn Knob 8 to select another Preset File in the Results list.
→ Upon selection this Preset file is played back and the previous Preset file stops playing
instantly.
When you disable Prehear, the playback of any Preset file still being pre-listened is stopped.
Browsing the Library
Auditioning your Preset Files
KOMPLETE KONTROL S-Series - Manual - 186